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505430412411431 = 13294951270786553
BaseRepresentation
bin111001011101011111011000…
…0001100001100001000100111
32110021120200020110120201100002
41302322332300030030020213
51012221432441034131211
64550543305342011515
7211314066536023433
oct16272766014141047
92407520213521302
10505430412411431
1113705591a298551
124882b972576b9b
1318903b63a26cc0
148cb4d690c59c3
153d6761195803b
hex1cbafb030c227

505430412411431 has 16 divisors (see below), whose sum is σ = 563192706471360. Its totient is φ = 450372193286400.

The previous prime is 505430412411403. The next prime is 505430412411437. The reversal of 505430412411431 is 134114214034505.

It is a cyclic number.

It is not a de Polignac number, because 505430412411431 - 214 = 505430412395047 is a prime.

It is a super-2 number, since 2×5054304124114312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505430412411437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133526750 + ... + 137259803.

It is an arithmetic number, because the mean of its divisors is an integer number (35199544154460).

Almost surely, 2505430412411431 is an apocalyptic number.

505430412411431 is a deficient number, since it is larger than the sum of its proper divisors (57762294059929).

505430412411431 is a wasteful number, since it uses less digits than its factorization.

505430412411431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270791546.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 505430412411431 its reverse (134114214034505), we get a palindrome (639544626445936).

The spelling of 505430412411431 in words is "five hundred five trillion, four hundred thirty billion, four hundred twelve million, four hundred eleven thousand, four hundred thirty-one".

Divisors: 1 13 29 377 4951 64363 143579 1866527 270786553 3520225189 7852810037 102086530481 1340664223903 17428634910739 38879262493187 505430412411431